<!--
  Any copyright is dedicated to the Public Domain.
  http://creativecommons.org/publicdomain/zero/1.0/
-->
<html>
<head>
  <title>Test for DOM Worker Threads</title>
  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<pre id="test">
<script class="testbody" type="text/javascript">
"use strict";

function nextTest() {
  (function(){
    function workerfunc() {
      var subworker = new Worker("about:blank");
      subworker.onerror = function(e) {
        e.preventDefault();
        postMessage("ERROR");
      }
    }
    var b = new Blob([workerfunc+'workerfunc();']);
    var u = URL.createObjectURL(b);
    function callworker(i) {
      try {
        var w = new Worker(u);
        URL.revokeObjectURL(u);
        is(i, 0, 'worker creation succeeded');
      } catch (e) {
        is(i, 1, 'worker creation failed');
        SimpleTest.finish();
        return;
      }
      w.onmessage = function(e) {
        is(e.data, "ERROR",
           "Should catch the error when loading inner script");
        if (++i < 2) callworker(i);
        else SimpleTest.finish();
      };
      w.onerrror = function(e) {
        ok(false, "Should not get any errors from this worker");
      }
    }
    callworker(0);
  })();
}

try {
  var worker = new Worker("about:blank");
  worker.onerror = function(e) {
    e.preventDefault();
    nextTest();
  }

  worker.onmessage = function(event) {
    ok(false, "Shouldn't get a message!");
    SimpleTest.finish();
  }
} catch (e) {
  ok(false, "This should not happen.");
}


SimpleTest.waitForExplicitFinish();

</script>
</pre>
</body>
</html>

